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Screening of Plants and Technological Process of Tail Water Treatment in Constructed Wetland for Sewage Plant Effluent
Author(s): 
Pages: 50-53
Year: Issue:  1
Journal: Water Purification Technology

Keyword:  subsurface flow constructed wetlandtail water of sewage plant effluentindigenous plantscreening of plant;
Abstract: Using soil as horizontal subsurface flow constructed wetland fillers,tail water of sewage plant effluent was treated. The results show that the wetland has a good removal effect on COD,NH3 N,TN and TP,the average removal rates are 78. 7 %, 99. 3%,67. 2% and 96. 4 %,respectively. Through experiments of transplanting indigenous plants,three species are screened. Acorus calamus L,Kalimeris indica L,Acorus tatarinowii have good removal effect on nitrogen,and Kalimeris indica L,Hemero callisfulva L,Acorus calamus L have good removal effect on phosphorus.
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